body {
  font-family: Arial, sans-serif;
}

.header {
  text-align: center;
}

.navbar {
  overflow: hidden;
  background-color: #333;
}

.navbar a {
  float: left;
  display: block;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

.navbar a:hover {
  background-color: #ddd;
  color: black;
}

.content h2 {
  text-align: center;
}

.contact-us {
  margin-top: 30px;
}